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      GT Series - Grade 1

      Cylindrical Locks | GT

      Secure By Design

      GT135 LED

       

      As Featured in Door Security + Safety Magazine

      XGT/GT Series Classroom Intruder Lock

      Faced with a life-threatening lockdown, you need to protect staff and students with confidence. PDQ’s classroom intruder lock is designed to rapidly lock down a classroom, while providing you visual feedback for peace of mind in an emergency situation.

      Hardware that Doesn’t Cut Corners

      When your classroom is under heavy stress for most of the year, you need hardware that can go the distance. PDQ’s door hardware is built with durability and security in mind.

      Racine Lutheran High School

      The renovation and expansion of Racine Lutheran High School will enhance educational space and instructional opportunities, provide needed athletic facilities, additional classroom space, and provide better separation of school and athletic spaces for improved security and safety of students, staff and ...

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      St. Mary's Preparatory School

      A Catholic, college preparatory high school with a Polish-American heritage and legacy since 1885 A.D. St. Mary’s exists to provide deserving students with the moral guidance, discipline, and education to become Christ-like models of service and leadership for the world.

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      W.L. Swain Elementary School

      W.L. Swain Elementary School is a public school located in Plainville, GA. The school was badly in need of renovation and updates. The student population consists of 396 kids grades ...

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      Hannibal School District

      School safety is at the front of everyone's mind. How can we better secure our classrooms to protect children and teachers? Building strong locks that are accessible and affordable is the first step. 

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      University Liggett School

      University Liggett School is a private school in Grosse Pointe Woods, Michigan. Founded in 1878, it is Michigan's oldest independent co-ed day school. In 2017, with enrollment growing, Liggett hired Detroit-area architectural firm Landry/Cekauskas to design a modern and functional new athletic center. 

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      Popular Products

      Product Description:

      Introducing the GT Series Heavy Duty Cylindrical Lock, designed for unmatched quality and longevity. This robust lock surpasses industry standards, cycle tested to over 3 times the BHMA requirements, ensuring durability in the toughest environments. With a 41-degree lever rotation that minimizes torque, the GT lock is engineered to extend its lifespan significantly.

      Crafted in Lancaster, PA, each GT Series lock is assembled with meticulous attention to detail, reflecting a commitment to American craftsmanship. Backed by an impressive 25-year warranty, you can rely on the GT Series for security and performance that lasts.

      Upgrade to the GT Series Heavy Duty Cylindrical Lock for superior strength and endurance in commercial and high-traffic settings. Built to exceed expectations, this lock embodies reliability and precision engineering, making it the ideal choice for your security needs.

      Ensure lasting security with the GT Series Heavy Duty Cylindrical Lock—your trusted solution for reliability and strength. Experience peace of mind knowing you've invested in a lock that meets the demands of heavy use while maintaining exceptional performance.

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      Features & Benefits

      Discover the unmatched durability and security of our GT Series Heavy Duty Cylindrical Lockset.

      • Featuring a heavy duty diecast chassis and machined billet steel spindle, this lockset is engineered for strength and reliability
      • The 13-gauge steel anti-rotation plate ensures a secure installation
      • Choose from 3 lever styles: Philadelphia (SFL and LFL), Boston (SFL), Miami (SFL)
      • Choose from 7 finishes: 605(US3), 606(US4), 612(US10), 613(US10B), 622(US19), 625(US26), 626(US26D)
      • A lever torque resistance of 2,200 lbf-in—3 times the BHMI/ANSI standard
      • A 2 : 1 latch bolt throw allowing a 41-degree lever rotation, the GT Series provides superior performance and longevity

      Invest in the GT Series for heavy duty security that exceeds expectations.

      Certifications

      The GT ANSI/BHMA Grade 1 Cylindrical Lock is backed by a comprehensive range of certifications.

      • It’s UL 10C listed for 3-hour fire doors, suitable for single doors up to 4’ x 8’
      • Opt for the optional 3/4” throw deadlocking fire latch (FRL) for pairs of doors, ensuring enhanced security and safety measures
      • Our GT cylindrical lock is certified to ANSI/BHMA A156.2 Grade 1 standards, guaranteeing top-tier performance and durability
      • Complies with the California Education Code (Functions GT135, GT135LED, GT145)
      • Meets Federal Specification FF-H-10C (now superseded by A156.2)
      • Approved for Florida HVHZ (High Velocity Hurricane Zone), with PDQ Product Approval: FL 21376 and a design load rating of ± 70.0 PSF for single doors (3’ x 7’)
      • Complies with ADA and ICC/ANSI 117.1 for Accessible and Usable Buildings, ensuring inclusivity and accessibility

      Choose the GT ANSI/BHMA Grade 1 Cylindrical Lock for unmatched security and compliance.

      Warranty

      • Twenty-five (25) year Limited 

      Country of Origin

      The GT Cylindrical Lock is proudly assembled in the USA using a combination of domestic and foreign materials. This lock fully complies with the Buy American Act as a Commercial Off-The-Shelf (COTS) product manufactured in the United States. Choose the GT Cylindrical Lock for American-made quality and compliance with federal procurement regulations.

      Consult with an Expert

      PDQ’s experts have been providing customers with high-quality products and services for over 40 years. Contact us today for more information on how to secure your learning institution.